Home / 2,575.38-3,863.88-1,015.32

Finding the Fourth Proportional to 2,575.38, 3,863.88 and 1,015.32

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Solution

The fourth proportional to 2,575.38, 3,863.88 and 1,015.32 is: 1,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.38 : 3,863.88 = 1,015.32 : x
  2. Step 2: Convert to fraction form
    2,575.38/3,863.88 = 1,015.32/x
  3. Step 3: Cross multiply
    2,575.38x = 3,863.88 × 1,015.32
  4. Step 4: Simplify right side
    2,575.38x = 3,923,074.64
  5. Step 5: Solve for x
    x = 3,923,074.64/2,575.38
  6. Step 6: Final answer
    x = 1,523.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.